A side-by-side look at the PRIMS and IronShard Object Storage Sandbox MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose PRIMS for code execution work over a hosted endpoint; choose IronShard Object Storage Sandbox for code execution. You can also run both side by side in one mcpServers block.
run_code, list_dir, preview_file.Rows where the two servers differ are marked.
| Spec | I IronShard Object Storage Sandbox | |
|---|---|---|
| Category | Code Execution | Code Execution |
| Quality signal | 51/100 · Good | 37/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Remote HTTP/SSE | — |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 30 | — |
| Directory activity | 3 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 5 | Not listed |
| Full listing | View PRIMS | View IronShard Object Storage Sandbox |
run_codeExecute Python in an isolated sandbox with optional pip deps.list_dirList files/directories inside your session workspace.preview_fileReturn up to 8 KB of a text file for quick inspection.persist_artifactUpload an `output/` file to a client-provided presigned URL.mount_fileDownload a remote file once per session to `mounts/<path>`.No tool names declared yet. Check the project README from the listing page.
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"hileamlakb-prims": {
"url": "http://0.0.0.0:9000/mcp"
}
}
}
No confirmed install command for IronShard Object Storage Sandbox yet — follow the setup steps linked from its listing page rather than a guessed package name.